.custom-footer {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    position:relative;
    left: -70px;
    top: 1420px;
    width: 100%; 
    z-index: 0;
    
}
  
.part1 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 1200px;
}
.part2 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 1200px;
}
.part3 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    width: 1200px;
}



.contact-us {
    text-align: center;
    font-weight: bolder;
    font-size: larger;
    margin-right: 100px;
    color: black;
    opacity: 0.6;
}
  
.contact-us p:hover {
    color: black; 
}
  
.divider {
    height: 1px;
    width: 300px;
    background-color: #ccc;
    margin: 20px 0;
}
  
.lab-link a {
    color: gray; 
    text-decoration: none;
}
  
.lab-link a:hover {
    color: black;
}
  
.open-source p {
    color: gray;
}
  
.open-source p:hover {
    color: black;
}
.copyright p,
.address p,
.email p {
    color: gray; 
}
  
.address p:hover,
.email p:hover {
    color: black; 
}


.copyright,
.address,
.email {
    margin-right: 170px; 
}
